名词中文翻译
中文翻译：救生圈
同义词：
['life ring', 'lifebuoy']
例句：
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1.The boat was towed to the shore by a ring buoy.
小船被一个救生圈拖到岸边。
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2. The lifebuoy was used to save the drowning man.
救生浮标被用来救起溺水的男子。
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3. A ring buoy is a small device that floats on the surface of the water.
救生圈是一种浮在水面上的小型装置。